Dopamine Hydrochloride in 5% Dextrose Injection, USP is a sterile, nonpyrogenic, premixed solution of dopamine hydrochloride in 5% dextrose injection for intravenous infusion.
Each 100 mL contains 80 mg (800 mcg/mL), 160 mg (1600 mcg/mL) or 320 mg (3200 mcg/mL) of dopamine HCl; 5 grams of hydrous dextrose, in Water for Injection, and 50 mg of sodium metabisulfite (a stabilizer); pH = 3.8 (2.5 to 4.5), and the following osmolar concentrations: 261, 269, or 286 mOsmol/liter, respectively. May contain hydrochloric acid and/or sodium hydroxide for pH adjustment.
Dopamine HCl is chemically designated 3, 4-dihydroxyphenethylamine hydrochloride (C8H11NO2 ∙ HCl), a white crystalline powder freely soluble in water. Dopamine HCl has a molecular weight of 189.64 and it has the following structural formula:
Dopamine (also referred to as 3-hydroxytyramine) is a naturally occurring endogenous catecholamine.
Dextrose, USP is chemically designated D-glucose monohydrate (C6H12O6 ∙ H2O), a hexose sugar freely soluble in water. The molecular weight of dextrose (D-glucose) monohydrate is 198.17 and it has the following structural formula:
Water for Injection, USP is chemically designated H2O.